Toro Groundsmaster 4500-D Series Service Manual page 271

Removal (Figure 153) (continued)
Installation (Figure
Groundsmaster ® 4500-D/4700-D
19245SL Rev A
4. Disconnect hydraulic hoses from lift cylinder. Put caps or plugs on open
hydraulic hoses and fittings to prevent system contamination. Label the
hydraulic hoses to show their correct position on the lift cylinder for assembly
purposes.
5. Remove flange head screw and flange nut that secure the cylinder pin (item
3) to the lift arm. Remove pin from lift arm and cylinder shaft clevis.
6. Remove one (1) retaining ring from the cylinder pin (item 6). Remove cylinder
pin from the frame and cylinder barrel clevis.
#6 Deck
(GM4700)
g308386
7. Remove lift cylinder from machine.
8. If hydraulic fittings are to be removed from lift cylinder, mark fitting orientation
to allow correct assembly. Remove fittings from cylinder and discard O-rings.
Note: For lift cylinder disassembly and assembly procedures, see
Cylinder Service (page
153)
1. If fittings were removed from lift cylinder, lubricate and place new O-rings onto
fittings. Install fittings into cylinder openings using marks made during the
removal process to properly orientate fittings. Tighten fittings (see
the Hydraulic Fittings (SAE Straight Thread O-Ring Fittings) (page
2. Position cylinder barrel clevis to frame and insert cylinder pin (item 6) with
one (1) retaining ring installed through the frame and cylinder clevis. Secure
pin with second retaining ring.
3. Insert cylinder pin (item 3) through the lift arm and cylinder shaft clevis.
Secure pin to lift arm with flange head screw and flange nut.
4. Remove caps and plugs from hydraulic hoses and fittings. Attach hoses to
lift cylinder (see Installing Hydraulic Hoses and Tubes (O-Ring Face Seal)
(page 5–7)).
5. Fill reservoir with hydraulic fluid as required.
6. Lubricate lift cylinder grease fittings.
7. After assembly is completed, operate lift cylinder to verify that lift cylinder,
hydraulic hoses and fittings do not contact any machine components during
operation.
#4 Deck #1 Deck
#2 #3
Deck Deck
Figure 154
CUTTING DECK LOCATIONS
5–173).
Page 5–169
#5 Deck
#7 Deck
(GM4700)
Installing
5–9)).
Hydraulic System: Service and Repairs
Lift